HSI-TSENG CHOU2018-09-102018-09-102009http://www.scopus.com/inward/record.url?eid=2-s2.0-71049120575&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/350428PO based steepest decent method for the fast synthesis of shaped reflector antennas via surface patch decompositionsconference paper10.1109/APS.2009.5171494